﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    class Yanzi:Nl
    {
        public void l()
        {
            Console.WriteLine("我能指南"); 
        }
        public void l2()
        {
            Console.WriteLine("我是燕子");
        }
    }
}
